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Operating Systems Concepts

Q1:

Block caches or buffer caches are used

A to improve disk performance

B to handle interrupts

C to increase the capacity of the main memory

D to speed up main memory read operation

E None of the above

ANS:A - to improve disk performance

Disk Buffer also called disk cache or cache buffer is the embedded memory in a hard disk drive (HDD) acting as a buffer between the rest of the computer and the physical hard disk platter. So Correct option is [A].



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